They went on: "This use of a military-grade nerve agent, of a type developed by Russian Federation, constitutes the first offensive use of a nerve agent in Europe since the Second World War".
"The temperature of Russian-British relations drops to minus 23 but we are not afraid of the cold weather", Russia's embassy in London said beside the picture of a thermometer surrounded by ice and reading minus 23 degrees Celsius.
On Thursday, the UK, US, Germany and France issued a joint statement insisting Russian Federation was responsible for the attack and that "there is no plausible alternative explanation".
"We will now always in our history be connected to a Russian spy", said Matthews-Keel.
President Trump's press secretary Sarah Sanders said America "shares the United Kingdom's assessment that Russian Federation is responsible" for the "abhorrent" attack.
Tensions between London and Moscow over the attempted murder of a former Russian spy ratcheted up another level Thursday after Russian Foreign Minister Sergey Lavrov warned that a move to expel British diplomats from Russia would "absolutely" be going ahead.
She said the U.S. will stop complaining about Russia "if the Russian government stopped using chemical weapons to assassinate its enemies, and if the Russian government stopped helping its Syrian allies to use chemical weapons to kill Syrian children". "It seems to us it's a "talk show" that does not imply any communications, any global rules" but is instead a way to express an opinion. Now one member stands accused of using chemical weapons on the sovereign soil of another member. She says that Russia's actions "represent an unlawful use of force".
Britain called an emergency meeting of the U.N. Security Council in NY at which United Kingdom and Russian diplomats traded accusations, with Britain blaming the Russian state for the attack and Russia vehemently denying responsibility.
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He revealed he contemplated retirement following that injury but had a discussion with his wife and chose to continue playing. Hill can also catch the ball out of the backfield as he has 67 career receptions to go with 484 career-receiving yards.
Macron later told reporters he would decide in the coming days what measures France would take against Russian Federation over the attack.
The leader of Britain's main opposition party says the government shouldn't rush to blame Moscow for the nerve agent poisoning of a former spy.
The U.N. Security Council - of which Russian Federation is a veto-wielding member - was due to meet later Wednesday at Britain's request to discuss the investigation.
In London, Foreign Secretary Boris Johnson ratcheted up the rhetoric against Russian Federation, accusing it of glorying in the attack on Skripal, which he described as a way of scaring anyone who stood up to President Vladimir Putin.
Vassily Nebenzia told the Security Council Russia has "nothing to do with it", saying Russia is ready to participate in a joint investigation.
She also said that she wanted to freeze Moscow's assets in the United Kingdom, but provided no further details.
She's been urged to be tougher and hurt Russian Federation where it counts - in the pockets of its millionaires and billionaires.
Haley was more specific, pointing to past assassinations blamed on Russian Federation as well as alleged chemical weapons use by its ally in Syria.
"We insist that Russian Federation has no connection to what happened in Great Britain", Peskov told a conference call.